some tricks

Table of Contents

1 Mathematics

1.1 \(\Pi\) Calculation

echo "scale=40; 4*a(1)" | bc -l -q

You can get a more accurate \(\Pi\) value by increasing "scale" value.

echo "obase=16;ibase=10;15" | bc

2 Power Tools

2.1 Development

print the strings of printable characters in files. You can read strings in ELF files or libraries by it.

Last Updated by Bao Hexing (