大工電卓

Name: 大工電卓
Author: Honey Guide Data

Android app by Honey Guide Data. Tools · Honey Guide Data

Store rating: Unknown
Store rating count: Unknown
Download price: Free to download
In-app purchases: Not listed in captured metadata
Version: 2.1
Listing last refreshed: 2026-09-13

Store description excerpt

"Carpenter's Calculator" is a dedicated calculator that includes only the specialized calculations actually used on construction, civil engineering, and carpentry sites. It features large numbers and a high-contrast "blueprint" design that can be read at a glance even with gloves on and in scorching heat. It operates smoothly even on sites without network coverage, with no ads, completely offline, and no additional permissions required. ■ Gradient Calculation Live conversion between gradient (in inches), percentage, ‰, angle, and gradient ratio (1:n). Also calculates hypotenuse length (SL) from horizontal and height. The grid and yellow hypotenuse allow you to quickly check the gradient on a diagram. ■ Triangle Calculation Right triangle calculation (remaining side, angle, and area from any two values) and triangle and area calculation from three sides (SSS) (cosine rule, Heron's formula). Includes live drawing in a diagram style. ■ Unit Conversion Shaku-Kan-Ho ⇔ mm (shaku, sun, ken), area (tsubo, m², tatami), lumber (sai) ⇔ m³. This software converts units that are often confusing on construction sites. ■ Concrete Quantity Calculation Instantly calculates the order quantity, including loss rate, from length, width, and thickness. ■ Layout Calculation Calculates center-to-center pitch and spacing dimensions from total width and number of pieces. Supports both end-to-end and end-to-end spacing patterns. ■ Explanation of Calculation Formulas Includes the calculation formulas used by each function. Useful for confirming on-site concepts and explaining to junior colleagues. ■ Calculation History Records and lists the results of quantity quantity calculations and layouts. Easy to review later. For: * Construction workers such as carpenters, formworkers, rebar workers, and interior decorators * Those who calculate slopes and layouts daily * Those who dislike advertisements and unnecessary communication in construction sites with poor reception Pricing Basic version is free. All functions are available (free use is limited to 30 times per day / resets at midnight). Unlimited use is available for free during the pre-release period. Provided by: KOUSHIROU WORKS

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