## Quick Overview

21 preloaded basic formula programs useful at civil engineering surveying work

Axis Transformation : Calculate coordinates when the coordinate axis is moved or rotated.

Right Triangle Trigonometry : Calculate horizontal distance and vertical distance (height) to the hypotenuse.

Pythagorean : Calculate the hypotenuse of a right triangle using the Pythagorean Theorem.

Coordinate Calculation : Calculate the coordinates of a sought point

Bearing Angle : Calculate the bearing angle to a sought point.

Traverse Calculation : Calculate the coordinates and angle of direction of a sought point using traverse calculation.

Inverse Calculation : Calculate the angle of direction, distance, and bearing angle of each point using inverse calculation.

Decentering : Calculate the eccentric angle and the distance between measured points in eccentric observation.

Middle Ordinate : Calculate the middle ordinate of a simple curve.

Single Curve : Calculate the elements of a simple curve.

Clothoid Curve : Calculate the elements of a clothoid curve.

Vertical Curve : Calculate the length of a vertical curve.

Forward Intersection : Calculate the coordinates of a sought point from the coordinates of two points and bearing angle.

Backward Intersection : Calculate the coordinates of a sought point from the distance to each of two points and their coordinates.

Coordinates of Intersection (3 Points & 1 Angle) : Calculate the coordinates of a point of intersection from the coordinates of

three points and one angle of direction.

Coordinates of Intersection (4 Points) : Calculate the coordinates of a point of intersection from the coordinates of four points.

Calculation of Perpendicular Coordinate and Distance : Calculate the point of intersection with a perpendicular straight line

suspended from a point and the perpendicular distance.

Area of Triangle : Calculate the area of a triangle from the coordinates of three points.

Area of Quadrangle : Calculate the area of a quadrangle from the coordinates of four points.

Heron Formula : Calculate the area of a triangle using Heron's Formula.

Stadia Calculation : Calculate the horizontal distance to a staff and relative elevation from measured values using stadia

surveying.

Display

Dot Matrix : 128 x 64 dots

Backlit LCD

Keybaord

Number of keys : 38+3 side keys

Illuminated keyboard

Interface

USB port : Mass Storage

SD card slot

Memory

User memory program area : 62,000 bytes

Storage memory : 1MB

System

OS update function

CSV import

Program conversion

Software

Matrix

Complex

Statistics

Spreadsheet

Unit conversion : 107

Build-in formulas : 21 Surveying only

Programs

Recall

Angle display (>DMS command)

Variable Memory : 28

Hardware

Dimensions H x W x D (mm) 21.0 x 88.5 x 177.5

Approximate weight (g) 250 g. (including batteries)

Water-resistance

Dust-resistance

Operation temperature : 0℃ to 40℃(AAA-size alkaline batteries）-5℃ to 45℃(nickel-metal hydride batteries) Batteries: Four AAA Alkaline/ support Ni-MH rechargeable Approximate battery life (hours) -200 (AAA-size alkaline batteries)