Casio FX 300 Training Manual - Page 7

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Casio FX 300 Training Manual
FX 300 MS Training guide

Logarithms/Natural Logarithms

You can find logarithms, natural logarithms, and antilogarithms.
Examples:
Keystrokes
[log] [100] [=]
[ln] [90] [=]
[ln] [ALPHA] [e]
x
[SHIFT] [e
] [1] [=]
x
[SHIFT] [10
] [2] [=]
References the Casio FX-300 MS User's Guide
Display
2
4.49980967
1
2.718281828
100
7
Casio FX-300MS Scientific calculator