![\"\"](\"http:\/\/spinor.info\/weblog\/wp-content\/uploads\/2012\/10\/bm0.jpg\" "\\"bm0\\"")
<\/a><\/p>\nI have seen this symbol many times before. I thought I knew what it meant but suddenly, I was stumped. What was it? A standards organization? A quality logo? Something else? Google was of no help either; I was searching high and low but couldn’t find anything even remotely resembling this strange sign.<\/p>\n
Then I looked at my collection of scanned calculator manuals and sure enough, on the cover of a vintage Casio manual, I found it. Same logo. It even had some text next to it, but it was not legible. So I started searching my library of paper manuals.<\/p>\n
Much to my disappointment, while the logo was present on a few of them, it was not much more legible than the one on the scanned copy. Eventually, I came across a manual that contained a semi-legible version:<\/p>\n
So this is it. The logo reads, in case the above is not sufficiently legible:<\/p>\n <\/strong>Recognized by<\/strong> Mystery solved. And while I nave no clue as to why information about this once prevalent logo is not readily available online, I can confirm that searching with the above full phrases on Google reveals nothing relevant (with one exception; searching for the strings “BM MARK FOR” and “HIGH QUALITY” yields one relevant hit, a scanned PDF copy of the Canon Palmtronic F-7 manual from the Web site<\/a> of Katherine Wasserman). Well, I guess that is going to change now.<\/p>\n It’s not every day that I can actually add some new information, however trivial, to the “interwebs”. But today, I received a question from a calculator enthusiast. He wanted to know the meaning of a mysterious “BM” or “BN” logo that he found on the back of a vintage Sharp pocket computer: I have seen […]<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[],"class_list":["post-3929","post","type-post","status-publish","format-standard","hentry","category-calculators","category-10-id","post-seq-1","post-parity-odd","meta-position-corners","fix"],"_links":{"self":[{"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=\/wp\/v2\/posts\/3929","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3929"}],"version-history":[{"count":6,"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=\/wp\/v2\/posts\/3929\/revisions"}],"predecessor-version":[{"id":3937,"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=\/wp\/v2\/posts\/3929\/revisions\/3937"}],"wp:attachment":[{"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3929"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3929"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spinor.info\/weblog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3929"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}<\/a><\/p>\n
\n HIGH QUALITY<\/strong>
\n& RELIABILITY<\/p>\n
\n JAPAN BUSINESS MACHINE<\/strong>
\n MAKERS ASSOCIATION<\/strong><\/p>\n<\/div>\n