CalcSpace.
THE LEARNING STUDIO · MATHS, MADE CLEAR

Build understanding.
One step at a time.

Choose your standard, select a formula, and get a maths solution with every step explained.

Start with Standard 9
YOUR NEXT CHAPTER STARTS HERE

Standard 11Mathematics

Official book resources for your standard, with the full calculator library always open.

Standards 1–12 books522 working toolsNo account needed
STANDARD 9 PRACTICE0 / 15 topics

Find your standard

Browse every book shelf
ONE WORKSPACE. MANY WAYS TO LEARN.

Find your level.
Make the maths click.

101working tools
for this practice collection
India · Standard 11View curriculum reference
STANDARD 11 · FORMULA TO ANSWER

Logarithms & functions

Enter your values. Follow the working. Open the full solution whenever you need more room.

Browse topic formulas3 tools
Private calculation · no account neededOpen calculator
Mathematics

Logarithm to a chosen base

Calculate logarithm to a chosen base and see the working behind your result.

Inputs

Use the units shown
RESULT
—

Enter your values and select Calculate.

Formula & explanation
logᵦ(x) = ln(x)/ln(b)

Variables & units

Positive number
Numeric value · minimum 0.000001, maximum 1000000
Logarithm base
Numeric value · minimum 0.000001, maximum 1000000

Worked example

log₁₀(100) = 2.

Assumptions

The number and base must be positive; the base cannot be one.

Formula version 1.0.0. JavaScript floating-point arithmetic applies. Results display up to 6 decimal places; stored values retain available precision. Use the units shown.

Practice with an example

Use the default input values to find the answer. The reset icon restores those values.

Calculated on your device. Your latest 100 calculations stay in this browser.

Know what’s covered.

NCERT/CBSE references. Topic selections are curated practice; board, edition and year requirements vary. These are suggested topic collections, including related practice and enrichment; they are not exhaustive syllabus mappings, university endorsements, or complete exercise solutions. All public calculators stay available to every learner.

Books and source materials
Clear sources. Original explanations.

Source review: 2026-11-02. Book titles follow the NCERT publication list. Class 9 topic alignment uses the CBSE 2026–27 curriculum. Publisher sites can update editions and may occasionally be unavailable.