視距計算(距離)

編寫日期: 2007年8月28日

程式編號: FMLA 23

K and C are stadia constants, θ is angle of elevation

This equation is used to determine the horizontal distance from the transit to the leveling rod by reading the angle of elevation when a transit is used to read the length of the leveling rod between the upper and lower stadia lines.

Example:

Determine the horizontal distance between two points when the length on the leveling rod between the upper and lower stadia lines is 0.865m, and the angle of elevation is θ=+4. Note that K=100 and C=0.

Press FMLA 23 press 100 EXE 0.865 EXE 0 EXE 4 EXE (Read-out: S=86.07909397)

註1: 按 FMLA 後若果忘記程式編號，可以按 ↑或 ↓ 找尋內置公式的英文名稱，找到公式後再按 EXE 選取公式即可。

註2: 若果是fx-50F PLUS，在輸入公式變數時，可以按 SHIFT LOOK 查看公式，再按 SHIFT LOOK 返回輸入變數。

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