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Screenshots of Scientific Calculator
  • Scientific Calculator
  • Scientific Calculator
  • Scientific Calculator
  • Scientific Calculator
  • Scientific Calculator
  • Scientific Calculator
  • Scientific Calculator
  • Scientific Calculator
  • Scientific Calculator
  • Scientific Calculator
  • Scientific Calculator
  • Scientific Calculator
  • Scientific Calculator
  • Scientific Calculator
  • Scientific Calculator
  • Scientific Calculator
  • Scientific Calculator
  • Scientific Calculator
  • Scientific Calculator
  • Scientific Calculator
  • Scientific Calculator
  • Scientific Calculator
  • Scientific Calculator
  • Scientific Calculator
  • Scientific Calculator
  • Scientific Calculator
  • Scientific Calculator
  • Scientific Calculator
Description of Scientific Calculator (from google play)

TechCalc is the "Swiss Army Knife" of Scientific Calculators ... 44 Calculation Options + a Scientific Reference Section + the Periodic Table of the Elements!

Perfect for all aspects of science and engineering calculations in school, university and throughout your career. Why not download it now and give it a try?

Modes included are:

★ Basic Mode - Algebraic and Reverse Polish Notation (RPN),
★ Scientific Mode - Algebraic and Reverse Polish Notation (RPN),
★ 64-bit Programmer Mode (Hex, Oct, Bin and Dec) - Algebraic and Reverse Polish Notation (RPN),
★ Graphing,
★ Matrices,
★ Complex Numbers (cartesian, polar, using Euler's identity),
★ Quick Formulas,
★ Quick Converter,
★ Time Calculator,
★ Equation Solver,
★ Calculus (Derivatives, Definite Integrals, Taylor Series, Indefinite Integrals & Limits)
★ Financial

+ the Periodic Table of Elements!

Features include:

★ All Trigonometric operations (radians, degrees or gradients)
★ Powers & Roots
★ Logs and Antilogs
★ Factorial, Modulus & Random Numbers functions
★ HCF, LCM, Prime factorization
★ Pol() & Rec() Functions
★ Permutations (nPr) and Combinations (nCr)
★ Statistics
★ Fractions Mode
★ A wide range of conversion categories and constants
★ 20 Memory Registers in each of the calculation modes
★ Detailed calculation history
★ Extensive Help and Reference
★ Highly customizable via the Settings

The reference section includes:

★ Physical Laws
★ Names in the Metric System
★ Mathematical Tables
★ Elementary & Linear Algebra
★ Trigonometric Identities
★ Differentiation & Integration Rules
★ Statistics Formulas
★ Vector Mathematics
★ ASCII, IEEE 754, Fractional Bits, Roman Numeral & Number Base Converters
★ pH, Interpolation, Body Mass Index (BMI), Color, Percentage, Proportion & Molecular Weight Calculators
★ Sigma & Pi Notation
★ Balancing Chemical Equations
★ Statistics (Grouped Data)
★ Numerical Sequences
★ Humidity Calculations
★ Boolean Algebra Calculator
★ Empirical Formula Calculator
★ Characteristics of an RLC Circuit
★ Feet and Inches Calculator
★ Aspect Ratio Calculator
★ Barometric Formula Calculator
★ Linear Regression Analysis (Simple Linear Regression; Multiple Linear Regression)
★ Bicycle Tire Pressure Calculator

Please email any questions that are not answered in the Help section.

This is also an ad-supported app - upgrade to an ad-free version via: https://play.google.com/store/apps/details?id=com.roamingsquirrel.android.calculator_plus

Version history Scientific Calculator
New in TechCalc 4.8.4
ver 4.8.4:
★ Calculus: added Numerical Derivative to the list of modes
New in TechCalc 4.8.3
ver 4.8.3:
★ added Permutations (nPr) & Combinations (nCr) to Quick Formulas
★ Settings (Screen Modes): added an option, "Reference Section - Arrange List of Options"
New in TechCalc 4.8.2
ver 4.8.2:
★ Financial: "Cost, Sales and Margin Mode" is now "Cost, Sales, Margin and Markup Mode"
★ Settings (Output Display): added an option, "Graph Mode - Dark Background"
New in TechCalc 4.8.1
ver 4.8.1:
★ fixed bugs reported by users
ver 4.8.0:
★ Financial: added a new category, "Growing Annuity Mode", and also added Extended Internal Rate of Return (XIRR) and Extended Net Present Value (XNPV) to Cash Flow Mode. Please see the Financial topic of the Help Section for details
New in TechCalc 4.7.7
ver 4.7.7:
★ added the option to batch delete a group of records from the calculation history - please see the topic "History" in the Help section for details
★ implemented the requirements regarding the compulsory use of scoped storage for devices running Android version 11 and above - for these devices, the Downloads folder is now used when importing or exporting files
★ fixed bugs reported by users
New in TechCalc 4.7.6
ver 4.7.6:
★ Polygon Area Calculator: added an "Interactive Polygon" to the list of choices - please see the inline Help for details
★ Conversion Factors (Blood Sugar Level): added glycated hemoglobin (HbA1c, % and mmol/mol) to the list of choices
New in TechCalc 4.7.5
ver 4.7.5:
★ fixed bugs reported by users
New in TechCalc 4.7.4
ver 4.7.4:
★ Polygon Area Calculator: added an option to use degrees, minutes and seconds for the geographical coordinates when computing a geodesic polygon
New in TechCalc 4.7.3
ver 4.7.3:
★ added Lucas Numbers to Numerical Sequences - please see the topic "Numerical Sequences" in the Help Section for details
★ fixed bugs reported by users
New in TechCalc 4.7.2
ver 4.7.2:
★ fixed bugs reported by users
New in TechCalc 4.7.1
ver 4.7.1:
★ added Polygon Area Calculator and the Beaufort Wind Scale to the Reference Section
★ added the ability to save the output from the Ephemerides Calculator to a pdf file
★ Settings (Themes): added an option to replace all black background settings with a white background
New in TechCalc 4.7.0
ver 4.7.0:
★ fixed a crash when selecting Settings : Button Options
ver 4.6.9:
★ added equinoxes and solstices to the output from the Ephemerides Calculator
New in TechCalc 4.6.8
★ added Ephemerides Calculator to the Reference Section
★ added Fixed Decimal Notation to the list of options in the Display Format Selection tab in the "Calculation Parameters" group of the Settings - please see the topic "General" in the Help Section for details
New in TechCalc 4.6.5
ver 4.6.5:
★ fixed bugs reported by users
New in TechCalc 4.6.4
ver 4.6.4:
★ bug fix in Exchange Rates for Russian translation of the app
ver 4.6.3:
★ Settings (Themes): added an option in the lists of themes - "Long press a list item to preview that theme"
★ Conversion Factors (Exchange Rates): expanded the list of currencies. The list is now sorted automatically by the ISO code of each currency
New in TechCalc 4.6.3
ver 4.6.3:
★ Settings (Themes): added an option in the lists of themes - "Long press a list item to preview that theme"
★ Conversion Factors (Exchange Rates): expanded the list of currencies. The list is now sorted automatically by the ISO code of each currency - please see the topic "Conversion Factors" in the Help Section for details
New in TechCalc 4.6.2
ver 4.6.2:
★ added conversions between various 3D coordinate systems (Cartesian, Spherical and Cylindrical) to the list of functions ("Func" button)
★ Numerical Sequences: added ability to save the result from a range of numbers to a CSV file
★ Financial: the list for the FOREX button can now be manually rearranged using drag and drop
★ please see the Change Log for more details
New in TechCalc 4.6.1
ver 4.6.1:
★ bug fix in Conversion Factors inadvertently introduced in the previous update
ver 4.6.0:
★ added Prime Numbers to Numerical Sequences - please see the topic "Numerical Sequences" in the Help Section for details
★ calculators from the reference section that are added via the Settings to the main menu are now automatically removed from the reference section
New in TechCalc 4.5.8
ver 4.5.8:
★ Financial: added the DAYS360 function. Please see the topic "Days Calculation Mode" in the Financial topic of the Help Section for details
★ Calculus / Graphing Calculations (Standard Mode): added ability to export/import functions to/from a personal function library via the LIB button
★ added an option in the "Screen Modes" group of the Settings: Main Menu - Arrange Calculator List
New in TechCalc 4.5.7
ver 4.5.7:
★ added Geodetic Distance Calculator to the Reference Section
★ added options in the "General Settings" group of the Settings to export / import the Settings values to / from a file
★ minor bug fixes and performance enhancements
New in TechCalc 4.5.6
ver 4.5.6:
★ added Wind Chill Calculator to the Reference Section
★ added an option in the "Calculation Parameters" group of the Settings: Calculus / Graphing Calculations: Standard Mode - Treat multiples of x as one unit. Please see the topic "Calculus" or the topic "Graphing Calculations" in the Help Section for details
New in TechCalc 4.5.5
ver 4.5.5:
★ added 3 new options to the Settings - please see the Change Log for details
New in TechCalc 4.5.4
ver 4.5.4:
★ added the Lambert W Function to the list of functions ("Func" button) - for more details please long press the option "Lambert W Function" after pressing the Func button
New in TechCalc 4.5.3
ver 4.5.3:
★ minor bug fixes
New in TechCalc 4.5.2
ver 4.5.2:
★ Conversion Factors: included additional cryptocurrencies in the exchange rates
New in TechCalc 4.5.1
ver 4.5.1:
★ fixed bugs reported by users
New in TechCalc 4.4.6
ver 4.4.6:
★ added ability to do simple calculations on the main screen of Financial mode
★ added an option in the "Calculation Parameters" group of the Settings: Financial - Keep trailing zeros in simple calculations
★ added an option in the "Screen Modes" group of the Settings: Swipe Screen - Arrange Calculator List. Please see the topic "Screen Transitions" in the Help Section for details
★ bug fixes
New in TechCalc 4.4.5
ver 4.4.4 - 4.4.5:
★ added options in the "General Settings" group of the Settings for Basic, Sci Calc and Hex/Oct/Bin modes to use Reverse Polish Notation (RPN) - please see the topic "Reverse Polish Notation (RPN)" in the Help Section for details
★ added Cooking Temperature Scales to the Reference Section
★ added an option in the "Output Display" group of the Settings: Basic - Enable Calculation Mode Message
★ please see the change log for more information
New in TechCalc 4.4.3
ver 4.4.3:
★ bug fix in Graphing Calculations: 3D Surface Plot
ver 4.4.2:
★ added Bicycle Tire Pressure Calculator to the Reference Section
★ bug fixes
New in TechCalc 4.4.2
26/08 (ver 4.4.2)
★ added Bicycle Tire Pressure Calculator to the Reference Section
★ bug fixes
New in TechCalc 4.4.1
06/08 (ver 4.4.1)
★ Equation Solver: Vector Arithmetic - added arrow notation for the vectors and, in the case of operations with 2D or 3D vectors, additional results are included - please see the topic "Equation Solver" in the Help Section for details
New in TechCalc 4.3.8
04/07 (ver 4.3.8)
★ bug fix in Conversion Factors
29/06 (ver 4.3.7)
★ added IEEE 754 Converter to the Reference Section
★ added "Finance - Loan Calculations" to Quick Formulas
★ added an option in the "Button Options" group of the Settings to enable a sound when a button is pressed
★ rearranged buttons in Basic mode
New in TechCalc 4.3.7
29/06 (ver 4.3.7)
★ added IEEE 754 Converter to the Reference Section
★ added "Finance - Loan Calculations" to Quick Formulas
★ added an option in the "Button Options" group of the Settings to enable a sound when a button is pressed
★ rearranged buttons in Basic mode
New in TechCalc 4.3.6
14/06 (ver 4.3.6)
★ added Typography to Conversion Factors
★ Conversion Factors: the exchange rates are now updated once per hour on our server - please see the topic "Conversion Factors" in the Help Section for details
New in TechCalc 4.3.5
26/04 (ver 4.3.5)
★ added a gallery of example functions to 3D Surface Plot
★ added Volumetric Flow Rate to Conversion Factors
New in TechCalc 4.3.4
12/04 (ver 4.3.4)
★ added an option to solve inequations in the Equation Solver
★ added Blood Sugar Level to Conversion Factors
New in TechCalc 4.3.3
01/04 (ver 4.3.3)
★ Graphing Calculations: 1. Standard Mode (STD) converted to multi-touch; 2. Standard Mode, Multi-Touch (STD-MT) removed; 3. Modifications made to 3D Surface Plot (3D) - please see the topic "Graphing Calculations" in the Help Section for details
New in TechCalc 4.3.2
18/03 (ver 4.3.2)
★ added Linear Regression Analysis to the Reference Section
New in TechCalc 4.3.1
15/02 (ver 4.3.1)
★ minor bug fixes and performance enhancements
New in TechCalc 4.3.0
04/02 (ver 4.3.0)
★ fixed bugs reported by users
New in TechCalc 4.2.9
17/12 (ver 4.2.9)
★ In SCI mode, the lists for the Conv button can now be manually rearranged using drag and drop - please see the topic "General" in the Help Section for details
★ minor bug fixes and performance enhancements
New in TechCalc 4.2.8
12/11 (ver 4.2.7-4.2.8)
★ bug fix for devices running Android 9
★ added Barometric Formula Calculator to the Reference Section
★ minor bug fixes and UI changes
New in TechCalc 4.2.6
22/09 (ver 4.2.6)
* modified the presentation of the function "Characteristics of an RLC Circuit" when using a standard theme
* Characteristics of an RLC Circuit: added option to enter either frequency (f) or angular frequency (ω)
* Complex Numbers: touch the Polar (R) notification to toggle between radians and degrees when entering polar / Euler coordinates
* bug fixes
New in TechCalc 4.2.5
01/08 (ver 4.2.5)
* bug fix in the Time Calculator inadvertently introduced in the previous update (please see the Change Log for full details of the previous update)
New in TechCalc 4.2.3
27/04 (ver 4.2.3)
* updated the implementation of the Settings screen to be consistent across all versions of Android
New in TechCalc 4.2.2
21/04 (ver 4.2.2)
* bug fix for devices running Android version 8.0+ when accessing Help/Information via long pressing an option
20/04 (ver 4.2.1)
* added "User-Defined Functions" to the Func button on the Sci Calc screen (for more details please long press the option "User-Defined Functions" after pressing the Func button)
* the active screen now appears in a different color in the main menu
New in TechCalc 4.2.0
07/04 (ver 4.2.0)
* bug fix for devices running Android version 8.0+
06/04 (ver 4.1.9)
* added Aspect Ratio Calculator to the Reference Section
* added a search function to the Periodic Table
* bug fixes
New in TechCalc 4.1.9
06/04 (ver 4.1.9)
* added Aspect Ratio Calculator to the Reference Section
* added a search function to the Periodic Table
* bug fixes
New in TechCalc 4.1.7
05/02 (ver 4.1.7)* added an option in the Settings: "Back Button - Return directly to Sci Calc screen"
New in TechCalc 4.1.6
27/01 (ver 4.1.6)* bug fixes
New in TechCalc 4.1.5
21/12 (ver 4.1.5)* XY Scatter Plot (XY SCATTER): data can also be imported from a CSV file
New in TechCalc 4.1.4
05/12 (ver 4.1.4)* Graphing Calculations: replaced x² and ²√x buttons with abs and round functions respectively* added an option in the Settings regarding the Time Calculator: "World Time - Choose AM/PM Format"
New in TechCalc 4.1.3
16/11 (ver 4.1.3)* changed title of mode "Integer Sequences" to "Numerical Sequences"* added Bernoulli Numbers to Numerical Sequences in the Reference section - please see the topic "Numerical Sequences" in the Help Section for details* changed operation of the ° ' " button - if a decimal number is present, it is displayed in degrees, minutes and seconds - otherwise, a value in the format degrees, minutes and seconds can be entered
New in TechCalc 4.1.0
11/10 (ver 4.1.0)* fixed bugs reported by users
New in TechCalc 4.0.9
02/10 (ver 4.0.9)* added Characteristics of an RLC Circuit to the Reference Section* added 4 new options in the Settings: 1)Show Symbols (and not Values) for π and e, 2)Enable Black Background for Settings, 3)Enable Custom Colors for Quick Formulas, 4)Change Text Size for Quick Formulas
New in TechCalc 4.0.8
05/09 (ver 4.0.8)* added a Boolean Algebra Calculator and an Empirical Formula Calculator to the Reference Section* added the option to add a text comment to a record in the calculation history (long press on the record)
New in TechCalc 4.0.7
24/07 (ver 4.0.7)* Financial Mode: provided a method for the user to add a value to, or remove a value from, the list of options for the frequency of compounding and payments - please see the description of the C/Y and P/Y buttons contained within the topic "General" in the Help Section for details* Standard Decimal Notation: added an option in the Settings to enable use of the Indian formatting system (lakh, crore etc.)* added EXP and +/- buttons to the Proportion Calculator
New in TechCalc 4.0.6
10/07 (ver 4.0.6)* Solve Roots of a Polynomial Equation - equations that have not been simplified can now be entered - please see the topic "Equations Solver" in the Help Section for details
New in TechCalc 4.0.5
13/02 (ver 4.0.5)* added Humidity Calculations to the Reference Section
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