TechCalc Scientific Calculator

Contains ads
41.2K reviews
Content rating
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About this app

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 scientific 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:
Updated on
Jan 21, 2023

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
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Data is encrypted in transit
Data can’t be deleted
41.2K reviews
Francois vzb
December 20, 2022
As an engineer and a scientist, this is the most amazing calculator app that I have ever seen or used; and it is all free of charge, with even an easy and free way to remove adds. This calculator is a transformer, that you can morph at will into a variety of many top notch different specialized calculators, scientific, programmer's, financial, etc with an embedded reference base of data, constants, formulas etc in areas as diverse as e.g. mathematics, physics, chemistry, astronomy and finance.
7 people found this review helpful
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Mark Homer
February 9, 2021
This app is remarkable for its careful workmanship. In spite of the wealth of features, they are reasonably intuitive (if you know the math) and logically organized. Includes a financial calculator and periodic table. It is free, with unobtrusive ads on top. Attractively laid out. Very highly recommended.
20 people found this review helpful
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John DeVilbiss
July 4, 2020
Excellent App. Why? It's not for the unmathematical person. You must know a certain technical vocabulary and algebraic notation already, at the very least, as on any matter. The virtual keyboard is packed with "functions", so each key triggers a math function if tapped, and yet another if pressed and sustained a bit. And that's just for the customary calculator use. This version now does plots! A god-send.
23 people found this review helpful
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What's new

ver 5.0.2:
★ bug fix for custom themes