# Scientific Notation Calculator Add, subtract, multiply, and divide values written in scientific notation, then return standard, scientific, and engineering forms > Canonical page: https://elysiatools.com/en/tools/scientific-notation-calculator - **Category:** Math & Numbers - **Keywords:** scientific notation, calculator, engineering notation, exponent arithmetic ## Overview The Scientific Notation Calculator allows you to easily add, subtract, multiply, and divide numbers written in scientific notation. By inputting your operands and selecting a mathematical operation, you can instantly generate accurate results formatted in standard decimal, scientific, and engineering notations, complete with customizable significant figures. ## Inputs - **Operand A** (text): e.g. 3.2e5 - **Operand B** (text): e.g. 4.5e3 - **Operation** (select) - **Significant Figures** (number) ## When to use - Solving physics, astronomy, or chemistry problems that involve extremely large or microscopic numbers. - Converting complex exponent arithmetic into readable engineering notation for technical reports and schematics. - Verifying manual calculations of scientific notation operations to ensure mathematical precision. ## How it works - Enter your first and second numbers in scientific notation format (e.g., 3.2e5) into the operand fields. - Select the desired mathematical operation: addition, subtraction, multiplication, or division. - Specify the number of significant figures required for your final answer (between 1 and 15). - View the calculated result instantly displayed in standard decimal, scientific, and engineering forms. ## Use cases - Physics students calculating gravitational forces or electromagnetic fields using extreme values. - Engineers converting raw computational data into standard engineering notation for hardware specifications. - Chemists determining molarity, Avogadro's number applications, or reaction rates. ## Frequently asked questions ### What format should I use for scientific notation inputs? Use the standard 'e' notation format, such as '3.2e5' for 3.2 × 10^5 or '4.5e-3' for 4.5 × 10^-3. ### What is the difference between scientific and engineering notation? Scientific notation uses one non-zero digit before the decimal point (e.g., 1.2 × 10^4). Engineering notation restricts the exponent to multiples of three (e.g., 12 × 10^3), which aligns with standard metric prefixes. ### Can I adjust the precision of the result? Yes, you can set the number of significant figures between 1 and 15 to match the exact precision required for your calculations. ### Does this calculator support negative exponents? Yes, you can input negative exponents (like 2.5e-6) to calculate and manipulate very small numbers. ### Can I divide a very large number by a very small number? Absolutely. The calculator handles extreme exponent arithmetic seamlessly, providing accurate results across all supported formats without overflow errors. ## Related tools - [Scientific Calculator](https://elysiatools.com/en/tools/scientific-calculator): Advanced scientific calculator with support for complex mathematical functions and expressions - [Shaft Critical Speed Calculator](https://elysiatools.com/en/tools/shaft-critical-speed): Calculate the critical (resonance) speed of a rotating shaft using the single-DOF rotor model. ω_n = √(k/m), n_cr = (60/2π)·√(k/m) rpm. Also returns the natural frequency f_n in Hz. - [Power Calculator](https://elysiatools.com/en/tools/power-calculator): Raise a base to any real exponent, with optional scientific notation and verification details - [Scientific Notation Converter](https://elysiatools.com/en/tools/scientific-notation-converter): Convert numbers between standard decimal format and scientific notation, with optional engineering notation output - [Significant Figures Calculator](https://elysiatools.com/en/tools/sig-fig-calculator): Count significant figures and round numbers to a target number of significant digits - [Linear Programming Simplex Solver (Two-Phase)](https://elysiatools.com/en/tools/linear-programming-simplex): Two-phase simplex for 2–6 variables and 1–8 ≤/≥/= constraints: Bland's rule, per-iteration pivot log, optimal/unbounded/infeasible status, and substitution checks. - [Significant Figures Sandbox](https://elysiatools.com/en/tools/significant-figures-sandbox): Practice significant-figure rules with step-by-step feedback: count sig figs, round to N sig figs, convert to scientific notation, and propagate through +/−/×/÷. - [Spring Rate Calculator](https://elysiatools.com/en/tools/spring-rate-calculator): Calculate the stiffness (spring rate) of a cylindrical helical compression/extension spring. k = G·d⁴ / (8·D³·n) in N/mm. Includes shear-modulus presets for common spring materials. ## Samples - [Android Image Processing Java Samples](https://elysiatools.com/en/samples/android-image-processing-java): Android Java image processing examples including reading/saving images, scaling, and format conversion - [Android Image Processing Kotlin Samples](https://elysiatools.com/en/samples/android-image-processing-kotlin): Android Kotlin image processing examples including reading/saving images, scaling, and format conversion - [Web Image Processing Python Samples](https://elysiatools.com/en/samples/web-image-processing-python): Web Python image processing examples using PIL/Pillow including reading, saving, resizing, and format conversion - [Web Image Processing Rust Samples](https://elysiatools.com/en/samples/web-image-processing-rust): Web Rust image processing examples including image read/save, scaling, and format conversion ## Related content - [Chemistry Lab Calculations and Reference](https://elysiatools.com/en/hubs/chemistry-lab-calculations-and-reference): Prepare a traceable stoichiometry or solution plan by checking references, balancing equations, calculating molar quantities, normalizing units, and controlling significant figures.