1 The rarer minus-plus sign (â) is not generally found in legacy encodings and does not have a named HTML entity but is available in Unicode with codepoint U+2213 and so can be used in HTML using &#x2213; or &#8723; . 2  In TeX 'plus-or-minus' and 'minus-or-plus' symbols are denoted \pm and \mp, respectively. In engineering the sign indicates the tolerance, which is the range of values that are considered to be acceptable, safe, or which comply with some standard, or with a contract. 2  In chemistry the sign is used to indicate a racemic mixture.
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Avonex cost per month. Common Questions and Answers about Avonex cost per month. avonex. When I was on Rebif, it cost me $40 a month, although the cost billed to my insurance was about $2100 a month. My Tysabri is also costing me $40 a month, because they are putting it under prescription fees vs medical treatment fees. I then also pay $7 a month so far, as my copayment for the infusion itself.