TechCalc+ Scientific Calculator

TechCalc+ – Frequently Asked Questions (FAQ)

1. What is TechCalc+?

TechCalc+ is a powerful all-in-one scientific calculator app designed for students, engineers, scientists, and professionals. It combines 44 calculation modes, a comprehensive scientific reference section, and an interactive Periodic Table of Elements—making it ideal for academic and professional use.

2. Who is TechCalc+ for?

TechCalc+ is perfect for:

• Students (high school to university level)

• Engineers and scientists

• Finance professionals

• Programmers

• Anyone who needs advanced calculation tools in a mobile app

3. What types of calculators are included?

TechCalc+ includes:

• Basic & Scientific Calculators (Algebraic & RPN modes)

• 64-bit Programmer Calculator (Hex, Octal, Binary, Decimal)

• Graphing Calculator (2D & 3D plots)

• Matrix & Linear Algebra Tools

• Complex Number Calculations

• Quick Formulas & Converters

• Time Calculator

• Equation Solver

• Calculus & Symbolic Algebra

• Financial Calculators (Interest, Amortization, Depreciation, Bonds, Options, etc.)

4. Does TechCalc+ include graphing capabilities?

Yes! It supports plotting:

• Functions

• Implicit & Parametric Equations

• XY Scatter Plots

• 3D Surface Plots

5. Can I perform matrix and linear algebra operations?

Absolutely. TechCalc+ supports operations such as:

• Inverse, Transpose, Determinant, Trace, Rank

• LU, QR, Cholesky, and Singular Value Decomposition

• Eigenvalues and Eigenvectors

6. What makes TechCalc+ suitable for programmers?

The Programmer Calculator supports 64-bit operations in Hexadecimal, Octal, Binary, and Decimal with RPN and Algebraic modes, plus number base conversions and bit-level operations.

7. Are there tools for scientific and engineering reference?

Yes! The Reference Section includes:

• 30+ specialized calculators (e.g., BMI, RLC Circuit, Boolean Algebra, Chemical Equation Balancer)

• Converters (ASCII, pH, IP Subnet, Coordinates, Empirical Formulas, etc.)

• Information resources (Physical Laws, Trig Identities, Math Tables, Vector Math, and more)

8. What unit conversions are supported?

TechCalc+ includes 35+ unit conversion categories, covering everything from basic length and temperature units to advanced scientific conversions.

9. What statistics functions are available?

There are over 30 statistical functions including support for grouped data, linear regression analysis, Sigma and Pi notation, and more.

10. Can I use it for financial calculations?

Yes, TechCalc+ supports:

• Simple & Compound Interest

• Cash Flow Analysis

• Loan Amortization

• Cost, Sales, Margin & Markup

• Break-Even Points

• Bonds & Depreciation

• Options Trading (including Greeks)

11. Are customization options available?

Yes. The app is highly customizable via the Settings menu. You can adjust appearance, input methods, memory registers, and even choose which reference tools appear in the main menu.

12. Does TechCalc+ include a Periodic Table?

Yes! A full interactive Periodic Table of Elements is included for quick chemical reference.

13. Is a help or user guide available?

Yes, the app includes an extensive Help and Reference section. If you have a question not answered there, you can also reach out via email for support.

14. What memory features are included?

Each calculation mode includes 20 memory registers and maintains a detailed history of your calculations.

15. Can I add my own formulas?

Yes! The Quick Formulas section includes 58 preloaded formulas and allows you to add your own custom formulas for easy reuse.

If you have any other questions or need technical support, please refer to the in-app Help section or contact us via email.