{"name":"Frequency Calculator","short_name":"CalcMate","description":"Calculate wave frequency in Hertz (Hz) from period, wavelength, or speed. Learn the frequency formula, understand the relationship between period and frequency, and solve physics problems instantly.","start_url":"/en/physics/frequency","display":"standalone","background_color":"#ffffff","theme_color":"#10b981","icons":[{"src":"/icons/web-app-manifest-192x192.png","sizes":"192x192","type":"image/png","purpose":"any maskable"},{"src":"/icons/web-app-manifest-512x512.png","sizes":"512x512","type":"image/png"}]}