Scientific Input
Result
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Scientific Calculator
Compute trigonometry, logarithms, roots, powers, and constants with safe expression parsing and clear function-level validation.
Why scientific calculation matters
Scientific math appears in physics, engineering, analytics, and software simulations. Trigonometric functions model periodic behavior, logarithms measure scale changes, and root/power operations support geometry, statistics, and optimization work.
This tool supports mixed expressions so you can evaluate complete formulas in one place. Instead of splitting a calculation across multiple calculators, you can keep logic grouped and easier to verify.
Input rules
- Use function syntax: sin(x), log(x), sqrt(x)
- Use radians for trig operations
- Factorial requires a non-negative integer
Example by hand
Expression: sqrt(49) + log(100) + abs(-5)
- sqrt(49) = 7
- log(100) = 2 (base-10 log)
- abs(-5) = 5
- Total: 7 + 2 + 5 = 14
Use this process whenever you need to verify whether a complex expression output is realistic.
Common errors and fixes
- Missing parentheses → add brackets around every function input.
- Wrong angle unit assumption → use radians for trig consistency.
- Invalid token names → use supported function names only.
Scientific calculator questions
Can I nest functions deeply?
Yes. Example: sqrt(abs(sin(pi/2)-2)).
Is floating-point precision exact?
Decimal floating-point has practical limits. The output is formatted for readability, but very large chains may show rounding behavior.
What is ln versus log?
ln is natural log (base e), while log is base-10 log.
Can I use constants inside expressions?
Yes, both pi and e are recognized tokens.
Where should I go next?
For expression basics, use the Basic tool. For conceptual reading, open the Learn page.
Related tools: Basic Calculator, Complex Calculator, Base Converter