Scientific Calculator

Online Scientific Calculator (Light • Compact Fit)
Scientific Calculator
 
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Ans: 0Mem: 0

Calculate with precision: trigonometry, powers, roots, logarithms, percentages, factorials, and more. Switch between degrees/radians, use memory and Ans, and work with a fast keypad.

Features

  • Trigonometry: sin, cos, tan, asin, acos, atan (Deg/Rad toggle)
  • Powers & roots: xʸ, x², x³, √x, ³√x, y√x, eˣ, 10ˣ
  • Logs: ln, log₁₀
  • Utilities: 1/x, %, n!, EXP, ±, RND
  • Workflow: memory (M+, M−, MR), Ans, Back, AC
  • Fast input: keyboard shortcuts + touch gestures
  • Exact layout: fits one screen on desktop, tablet, and phones

How to Use the Online Scientific Calculator

  1. Enter a number → pick an operation.
  2. For xʸ or y√x, enter first value → operation → second value → =.
  3. Toggle Deg/Rad for trig.
  4. Use Ans to reuse your last result; M+, M−, MR for memory.
  5.  

FAQs – Countdown Timer

Q1: Can I use this timer offline?
No, this timer works in your browser and requires it to stay open. However, once loaded, it doesn’t need an internet connection to keep running.

Q2: Will it keep running if I switch tabs?
Yes, the timer continues in the background, but switching tabs may affect sound alerts on some devices.

Q3: Can I have multiple countdowns at once?
This version supports one countdown at a time. For multiple timers, check our Multi-Timer Tool.

Q4: Does the beep work on mobile?
Yes, but mobile browsers require user interaction before playing sound. Start the timer manually to enable beeps.

Q5: Can it automatically open another page when done?
Yes, choose “Redirect” as the action and enter the URL.

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