Logarithm Calculator with steps
Work out logs and solve exponential equations with logs. Type your problem: see the answer, then every step with the reason. Free, no sign-up.
Solved examples
Each one solved step by step, with the reason for every step.
- Calculate log(1000) log 1000 = 3
- Calculate log_2(1/8) log2(18) = −3
- Solve 3^x = 20 x ≈ 2.727
- Calculate ln(e^4) ln(e4) = 4
- Solve 2^x = 16 x = 4
- Solve 3^x = 81 x = 4
- Calculate ln(e^2) ln(e2) = 2
- Solve 2^(x+1) = 32 x = 4
- Calculate ln(e^7) ln(e7) = 7
- Solve 5^(2x - 1) = 125 x = 2
- Calculate ln 1 ln(1) = 0
- Solve e^x = 5 x ≈ 1.609
- Calculate log_3(9) log3 9 = 2
- Solve e^x = 12 x ≈ 2.485
- Solve e^x = 30 x ≈ 3.401
- Calculate log_5(25) log5 25 = 2
Learn how to do it yourself
- Exponential equations and logarithms · Algebra 2 · 22 problems, printable worksheet
- Natural logarithms · Algebra 2 · 23 problems, printable worksheet
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