Freeware for gear calculation. Click each line for Down-loading zip file. No support can be offered with these programs. Please send a message to the presenter when utilize it. If you have freeware programs to share among gear people, please do not hesitate contacting us by e-mail. Gleason conversion sheet #116 to #613/#614 (Written in Japanese) (mazda613.zip 10KB) Presenter : Kazuo Tachiki of Suzuki Co., Ltd