用户手册 — Radio Shack EC-2037

目录

• Operation

  4
• On and Off

  4
• Using the +/– Key

  4
• Correcting Entry Errors

  5
• Estimating Calculation Results

  6
• Calculation Examples

  7
• Mixed Calculations

  7
• Constants

  8
• Percentage

  9
• Add-On

  9
• Discount

  9
• Reciprocal

  10
• Exponent

  10
• Square

  10
• Square Root

  11
• Memory Calculations

  11
• Care

  13
• Replacing the Battery

  14
• Specifications

  15